Add a Unit Test

Author: dellis1972

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/Tasks/LinkerTests.cs

@@ -192,6 +192,33 @@ public void WarnAboutAppDomains ([Values (true, false)] bool isRelease)
 			}
 		}
 
+		[Test]
+		public void RemoveDesigner ()
+		{
+			var proj = new XamarinAndroidApplicationProject {
+				IsRelease = true,
+			};
+			proj.SetProperty ("AndroidEnableAssemblyCompression", "False");
+			string assemblyName = proj.ProjectName;
+			using (var b = CreateApkBuilder ()) {
+				Assert.IsTrue (b.Build (proj), "build should have succeeded.");
+				var apk = Path.Combine (Root, b.ProjectDirectory, proj.OutputPath, $"{proj.PackageName}.apk");
+				FileAssert.Exists (apk);
+				using (var zip = ZipHelper.OpenZip (apk)) {
+					Assert.IsTrue (zip.ContainsEntry ($"assemblies/{assemblyName}.dll"), $"{assemblyName}.dll should exist in apk!");
+					var entry = zip.ReadEntry ($"assemblies/{assemblyName}.dll");
+					using (var stream = new MemoryStream ()) {
+						entry.Extract (stream);
+						stream.Position = 0;
+						using (var assembly = AssemblyDefinition.ReadAssembly (stream)) {
+							var type = assembly.MainModule.GetType ($"{assemblyName}.Resource");
+							Assert.AreEqual (0, type.NestedTypes.Count, "All Nested Resource Types should be removed.");
+						}
+					}
+				}
+			}
+		}
+
 		[Test]
 		public void LinkDescription ()
 		{